Speaker



FIG. 1 is a front perspective view showing a speaker according to my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevation view thereof, the opposite side being identical;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing on FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a speaker, substantially as shown and described. 